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Rama Nand
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Asked: 2021-12-10T10:41:59+00:00 In:

Which of the following could be the possible observation?

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0%[A] The solution becomes blue-green due to formation of copper
100%[B] The solution becomes blue-green due to formation of copper chloride. ( 2 voters )
0%[C] The solution becomes white due to formation of calcium hydroxide. oxide.
0%[D] The solution becomes white due to formation of calcium oxide.
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Copper oxide is black in colour. When dilute hydrochloric acid is added in it, the colour of the solution becomes blue green due to formation of copper chloride.

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    1. [B] The solution becomes blue-green due to formation of copper chloride.

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